What does the 'taxiway ending' marker indicate?

The 'taxiway ending' marker signifies that the taxiway does not extend any further, serving a crucial role in directing aircraft safely around an airport. This marker aids pilots by indicating the point at which they can no longer proceed along that particular taxiway, thus preventing potential confusion or mishaps on the ground.

Understanding this marker is essential for ensuring aircraft follow the designated paths within the airport environment. Pilots rely on these visual cues to navigate safely, especially in busy or complex airport layouts. The other options, while relevant to taxiway operations, do not specifically address the unique function of the taxiway ending marker.